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dfu: Fix a potential buffer overflow when applying a patch

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This commit is contained in:
Richard Hughes 2018-06-28 19:47:39 +01:00
parent 572b7dbbd6
commit d6df0040c3
1 changed files with 1 additions and 1 deletions
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2
plugins/dfu/dfu-patch.c
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@ -507,7 +507,7 @@ dfu_patch_apply (DfuPatch *self, GBytes *blob, DfuPatchApplyFlags flags, GError
} }
data_new = g_malloc0 (sz_max); data_new = g_malloc0 (sz_max);
memcpy (data_new, data_old, sz_max); memcpy (data_new, data_old, MIN (sz, sz_max));
for (guint i = 0; i < priv->chunks->len; i++) { for (guint i = 0; i < priv->chunks->len; i++) {
DfuPatchChunk *chunk = g_ptr_array_index (priv->chunks, i); DfuPatchChunk *chunk = g_ptr_array_index (priv->chunks, i);
const guint8 *chunk_data; const guint8 *chunk_data;